Rank	City	2020 Population	Growth Rate (Annual)
1	Stamford	135,685	1.0%
2	Danbury	86,356	0.7%
3	Jewett City	3,391	-0.3%
4	Norwich	39,932	-0.1%
5	Norwalk	90,975	0.6%
6	New Haven	133,966	0.3%
7	Shelton	40,771	0.3%
8	Waterbury	114,159	0.3%
9	Bridgeport	148,271	0.3%
10	West Haven	55,455	-0.0%
11	New London	27,603	-0.0%
12	Meriden	60,703	-0.0%
13	Newtown	1,912	-0.2%
14	New Britain	74,062	0.1%
15	Middletown	46,960	-0.1%
16	Ansonia	18,880	-0.2%
17	Naugatuck	31,510	-0.1%
18	Bristol	60,665	0.0%
19	Torrington	35,412	-0.3%
20	Groton	9,329	-1.1%
21	Milford	50,532	-0.1%
22	Derby	12,305	-0.5%
23	Danielson	4,156	0.3%
24	Hartford	120,957	-0.3%
25	Stonington	984	0.6%
26	Bantam	756	-0.0%
27	Woodmont	1,556	0.4%
28	Litchfield	1,193	-0.5%
29	Fenwick	44	0.2%
30	Groton Long Point	517	-0.0%